Marla C. Dubinsky

Professor of Pediatrics and Medicine
Chief, Pediatric Gastroenterology, Hepatology and Nutrition
Co-Director, Susan and Leonard Feinstein Inflammatory Bowel
Disease Clinical Center
Icahn School of Medicine,
Mount Sinai Hospital
New York, NY

Dr. Dubinsky is a co-founder of Cornerstones Health.

Marla C. Dubinsky received a medical degree from Queen’s University in Canada and completed her clinical pediatric gastroenterology training at Sainte-Justine Hospital, University of Montreal in Quebec, Canada. Currently, Dr. Dubinsky is Chief of Pediatric Gastroenterology, Hepatology and Nutrition, Co-Director of the Susan and Leonard Feinstein Inflammatory Bowel Disease Clinical Center and Professor of Pediatrics and Medicine at the Icahn School of Medicine at Mount Sinai in New York.

Board certified in pediatrics and pediatric gastroenterology, Dr. Dubinsky is the co-founder and President of We Care in IBD whose mission is to improve the quality of care for women with IBD. She is a member of several professional societies, including the American Gastroenterology Association, the American College of Gastroenterology, North American Society of Pediatric Gastroenterology, Hepatology and Nutrition and elected to the International Organization of Inflammatory Bowel Disease.

Dr. Dubinsky’s work has been published in numerous peer-reviewed journals, including Gastroenterology, The Journal of Pediatric Gastroenterology and Nutrition, Inflammatory Bowel Diseases, Nature and the American Journal of Gastroenterology. In addition, she has authored book chapters for Trends in Inflammatory Bowel Disease Therapy and Inflammatory Bowel Disease: Diagnosis and Therapeutics. Dr. Dubinsky has lectured widely nationally and internationally.

Dr. Dubinsky’s main research interests are the influence of genetics and immune responses on the variability in clinical presentations of early-onset IBD and prognosis. Additional interests include the study of pharmacogenetics to evaluate how heredity influences drug responses and optimizing and individualizing the management of IBD as well as impact of IBD on fertility and pregnancy.

David T. Rubin, MD

Joseph B. Kirsner Professor of Medicine
Chief, Section of Gastroenterology, Hepatology and Nutrition
Co-Director, Digestive Diseases Center
University of Chicago Medicine
Chicago, IL

Dr. Rubin is a co-founder of Cornerstones Health.

David T. Rubin earned a medical degree with honors at the University in Chicago Pritzker School of Medicine. He completed his residency in internal medicine and fellowships in gastroenterology and clinical medical ethics at the University of Chicago, where he served as Chief Resident and Chief Fellow. Prior to his current appointments, Dr. Rubin served for 11 years as Director of the Gastroenterology, Hepatology and Nutrition fellowship program. He also currently serves as an associate investigator at the University of Chicago Comprehensive Cancer Center.

Dr. Rubin is a Fellow of the American Gastroenterology Association, the American College of Gastroenterology (ACG), and the American College of Physicians and active member of the Crohn’s & Colitis Foundation of America (CCFA). Among numerous awards and honors, Dr. Rubin was chosen by his peers as a member of Best Doctors (recognized for superior clinical ability) and America’s Top Physicians (gastroenterology). Additionally, he received the ACG’s Governor’s Award of Excellence Award (2004), and the UC Postgraduate Teaching Award in recognition of significant contributions for fellowship education (2006). In 2012, he received the CCFA’s Rosenthal Award, a national leadership award bestowed upon a volunteer who has contributed in an indisputable way to the quality of life of patients and families.

Dr. Rubin is the editor of a best-selling book on inflammatory bowel disease (IBD), now in its 2nd edition, and an author or coauthor of many peer-reviewed articles on IBD, genetic testing in IBD, and cancer in IBD. He is also a featured media contact for issues related to IBD, appearing on satellite radio, television, and print media. His principal research interests include novel IBD therapies and outcomes, colon cancer prevention, and clinical medical ethics.

Debi Palestina
Executive Director

Debi Palestina joined Cornerstones Health as the Executive Director upon its inception in 2008. She established and manages the organizational infrastructure including operations, budgets, marketing, strategic partnerships, vendors, staff, and program development and management; resulting in the growth of Cornerstones into a highly respected and well-known medical education provider.

Her 27 years of industry experience encompasses event planning and management as well as for-profit and non-profit healthcare education.

In addition to her professional role at Cornerstones, Debi is a Luminary Circle Member for Step Up Women’s Network, an organization empowering teen girls from under-resourced communities by providing college and career based opportunities. For the last eight years, Debi has been a mentor through The Fulfillment Fund, where she developed a passion to provide her student with valuable life experiences and opportunities. Debi has been serving on the Board of Directors in the role of Secretary for High Tech Los Angeles, a college prep charter school since 2013. Debi is also an Impact Circle member of the Los Angeles chapter of Acumen, an international organization who provides investments to organizations that are leading the way to tackle poverty from the bottom-up.


Jason Schlatter
Program Manager

After earning his Master’s degree with a concentration in Organizational Development and Intercultural Relations, Jason Schlatter has spent many years utilizing his expertise to benefit various non-profit organizations. Jason brings his extensive experience in program development and management to Cornerstones to achieve successful implementation of our internationally recognized educational programs


Board of Directors

Bruce E. Sands, MD, MS

Professor of Medicine
Chief, Division of Gastroenterology
Icahn School of Medicine
Mount Sinai Hospital
New York, NY

Michael P. Cogan

Founding Partner
Cogan & Power, P.C.
Chicago, IL